[gegl] operations: fix enum value in color-reduction's example composition

[Michael Natterer <mitch src gnome org>]

commit ff1734fd5a2e779a9ba543fbb46c4647ecbc0b7f
Author: Michael Natterer <mitch gimp org>
Date:   Sat May 24 18:10:16 2014 +0200

    operations: fix enum value in color-reduction's example composition

 operations/common/color-reduction.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/common/color-reduction.c b/operations/common/color-reduction.c
index b4e572a..f17ebd4 100644
--- a/operations/common/color-reduction.c
+++ b/operations/common/color-reduction.c
@@ -486,7 +486,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "    <param name='green-bits'>2</param>"
     "    <param name='blue-bits'>2</param>"
     "    <param name='alpha-bits'>2</param>"
-    "    <param name='dither-strategy'>Floyd-Steinberg</param>"
+    "    <param name='dither-strategy'>floyd-steinberg</param>"
     "  </params>"
     "</node>"
     "<node operation='gegl:load'>"